| Issue |
Europhys. Lett.
Volume 69, Number 6, March 2005
|
|
|---|---|---|
| Page(s) | 966 - 970 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2004-10435-7 | |
| Published online | 16 February 2005 | |
Aging of an antibubble
1
GRASP, Physics Department B5, University of Liège - B-4000 Liège, Belgium
2
Laboratoire des fluides organisés, UMR 7125 du CNRS, Collège de France 11 place Marcelin Berthelot, F-75231 Paris Cedex 05, France
Received:
14
October
2004
Accepted:
17
January
2005
Antibubbles are unusual fluid objects consisting of a thin spherical air shell surrounding a liquid globule. Here we study and analyze the aging of these inverted bubbles. The lifetime is found to be distributed along an exponential law. Moreover, the breakdown of the air film is observed to be the analogue of dewetting by spinodal decomposition. We interpret the long lifetime of the antibubbles as resulting from the slow drainage of the air until the film reaches a critical thickness. Then, van der Waals forces act, leading to the collapse of the film.
PACS: 47.55.Dz – Drops and bubbles / 82.70.Uv – Surfactants, micellar solutions, vesicles, lamellae, amphiphilic systems (hydrophilic and hydrophobic interactions) / 83.80.Qr – Surfactant and micellar systems, associated polymers
© EDP Sciences, 2005
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